package duotai;

public class Test1 {

	public static void main(String[] args) {
		
		Police jc=new Police();
		
		Bus bus=new Bus();
		Moto honda=new Moto();
		UFO ufo=new UFO();
		
		jc.work(bus);
		jc.work(honda);
		jc.work(ufo);

	}

}
